@utrautmann opened this Issue on October 23rd 2020

I tried to use a regular expression to generate a value for a custom dimension from the URL.

Here I read that I should use a Regular Expression testing tool like https://regex101.com/ to prevent mistakes.
But my impression is that, for example, escaping an URL slash in Matomo is wrong and I have to do without backslashes instead.

URL: /de/area1/xyz.html or /de/area2/xyz.html

To extract area1 or area2 I have following regex:

Correct Regex: \/de\/([a-zA-ZäöüÄÖÜ-_]+)

Matomo regex that delivers the desired results: /de/([a-zA-ZäöüÄÖÜ-_]+)

Is the documentation with the reference to regex101.com not precise enough or is the regular expression implementation in Matomo different?

@tsteur commented on October 25th 2020 Member

Thank you for creating the issue @utrautmann Likely this needs to be mentioned in the FAQ and is expected behaviour.

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